Finding the Fourth Proportional to 201,872.08, 302,854.96 and 68,753.48
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Solution
The fourth proportional to 201,872.08, 302,854.96 and 68,753.48 is: 103,146.17
Step by Step Solution
- Step 1: Write the proportion equation
201,872.08 : 302,854.96 = 68,753.48 : x - Step 2: Convert to fraction form
201,872.08/302,854.96 = 68,753.48/x - Step 3: Cross multiply
201,872.08x = 302,854.96 × 68,753.48 - Step 4: Simplify right side
201,872.08x = 20,822,332,435.26 - Step 5: Solve for x
x = 20,822,332,435.26/201,872.08 - Step 6: Final answer
x = 103,146.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.